Stylus coordinate determining device with distortion compensation

摘要

In a coordinates detecting device comprising: a cursor; a tablet in which conductors are arranged in a predetermined periodic pattern; and arithmetic means for calculating the position of the cursor according to the outputs of the tablet, correction values for correcting the errors which are caused in common with all the periods of the pattern and in correspondence to the positions in each of the periods have been stored in memory, and the position of the cursor calculated by the arithmetic means is corrected by using the respective correction value.